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NEET Biology NEET PYQ-Locomotion and Movement

  • question_answer
    Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.     [NEET - 2016 Phase-II]

    A) Calcium

    B) Magnesium

    C) Sodium

    D) Potassium

    Correct Answer: A

    Solution :

    [A] Calcium ions bind with TpC unit of troponin which is responsible for unmasking of active sites for myosin for cross bridge activity during muscles contraction.


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